docs: def parseDEI(self,
                   xbrl,
                   ignore_errors=0):
          """
          Parse DEI from our XBRL soup and return a DEI object.
          """
          dei_obj = DEI()
  
          if ignore_errors == 2:
              logging.basicConfig(filename='/tmp/xbrl.log',
                  level=logging.ERROR,
                  format='%(asctime)s %(levelname)s %(name)s %(message)s')
              logger = logging.getLogger(__name__)
          else:
              logger = None
  
          trading_symbol = xbrl.find_all(name=re.compile("(dei:tradingsymbol)",
              re.IGNORECASE | re.MULTILINE))
          dei_obj.trading_symbol = \
              self.data_processing(trading_symbol, xbrl,
                                   ignore_errors, logger,
                                   options={'type': 'String',
                                            'no_context': True})
  
          company_name = xbrl.find_all(name=re.compile("(dei:entityregistrantname)",
              re.IGNORECASE | re.MULTILINE))
          dei_obj.company_name = \
              self.data_processing(company_name, xbrl,
                                   ignore_errors, logger,
                                   options={'type': 'String',
                                            'no_context': True})
  
          shares_outstanding = xbrl.find_all(name=re.compile("(dei:entitycommonstocksharesoutstanding)",
              re.IGNORECASE | re.MULTILINE))
          dei_obj.shares_outstanding = \
              self.data_processing(shares_outstanding, xbrl,
                                   ignore_errors, logger,
                                   options={'type': 'Number',
                                            'no_context': True})
  
          public_float = xbrl.find_all(name=re.compile("(dei:entitypublicfloat)",
              re.IGNORECASE | re.MULTILINE))
          dei_obj.public_float = \
              self.data_processing(public_float, xbrl,
                                   ignore_errors, logger,
                                   options={'type': 'Number',
                                            'no_context': True})
  
          return dei_obj